Jake Paul wants to settle his feud with Tommy Fury once and for all ... saying he'll fight TNT in the U.K. in February -- or he's moving on forever.
The Problem Child announced his plans in a message to Fury's promoter on Tuesday ... saying, "Dear @FrankWarren, I agree to fight Tommy in Manchester or London in Feb. I’ll come to his country, no more running."
The fight has been cursed since the very beginning -- it was scrapped twice due to issues on Fury's side ... including an injury and trouble getting access to the United States.
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After the incident, John told reporters Jake agreed to finally fight Tommy ... and JP followed through on his promise.
Paul -- who's fresh off an impressive win over Anderson Silva -- wants ink to paper ASAP ... saying Fury's team can either agree to the fight in the next week, or lose their opportunity forever.
"Since John is adamant we’ve agreed, I am giving u 7 days to present a signed contract by Tommy or I’m moving on," Jake tweeted.
Tommy has yet to respond.
It's worth noting -- Tommy is expecting his first child with fellow "Love Island" star Molly-Mae Hague around the time of the proposed fight ... but Jake claims Fury's camp has assured there won't be any issues this time around.